#!/bin/sh

# Copyright 2015 Brenton Earl <brent@exitstatusone.com>, Tooele, UT, USA
# All rights reserved.
#
# Modified the Official Slackware 14.1 Slackbuild
#
# Copyright 2008, 2009, 2010, 2011, 2012, 2013  Patrick J. Volkerding, Sebeka, MN, USA
# All rights reserved.
#
# Parts taken from Daniel Romero's Ruby 2.0 Slackbuild script
# Copyright 2013 Daniel Romero <infoslack@gmail.com>, Fortaleza, CE, BRA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

PRGNAM=ruby2
SRCNAM=ruby
VERSION=${VERSION:-2.2.3}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
 SLKCFLAGS="-march=i486 -mtune=i686 -O3 -fno-strict-aliasing"
 OPTFLAGS=-O3
 LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
 SLKCFLAGS="-O3 -fno-strict-aliasing"
 OPTFLAGS=-O3
 LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
 SLKCFLAGS="-O3 -fPIC -fno-strict-aliasing"
 OPTFLAGS=-O3
 LIBDIRSUFFIX="64"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
cd $SRCNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

CFLAGS="$SLKCFLAGS" \
optflags=$OPTFLAGS \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --datadir=/usr/share \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --enable-shared \
  --enable-pthread \
  --disable-install-capi \
  --build=$ARCH-slackware-linux

make
make install DESTDIR=$PKG

# Maintaining compatibility with another version of Ruby that is already installed
# Remove this block if you want to just keep this version
( cd $PKG/usr/bin
	mv ruby ruby2
	mv rake rake2
	sed -i '0,/ruby/{s/ruby/ruby2/}' rake2
	mv irb irb2
	sed -i '0,/ruby/{s/ruby/ruby2/}' irb2
	mv gem gem2
	sed -i '0,/ruby/{s/ruby/ruby2/}' gem2
	mv erb erb2
	sed -i '0,/ruby/{s/ruby/ruby2/}' erb2
	mv rdoc rdoc2
	sed -i '0,/ruby/{s/ruby/ruby2/}' rdoc2
	mv ri ri2
	sed -i '0,/ruby/{s/ruby/ruby2/}' ri2
)

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a BSDL CONTRIBUTING* COPYING* *GPL* ChangeLog LEGAL NEWS README* \
      $PKG/usr/doc/$PRGNAM-$VERSION

# Remove static file so it will not overwrite Slackware's ruby
rm -f $PKG/usr/lib${LIBDIRSUFFIX}/libruby-static.a

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

# Rename man files so it will not overwrite Slackware's ruby man files
cd $PKG/usr/man/man1
mv erb.1 erb2.1
mv irb.1 irb2.1
mv rake.1 rake2.1
mv ri.1 ri2.1
mv ruby.1 ruby2.1

cd $TMP/$SRCNAM-$VERSION
find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
